# coding: utf-8
#
# Copyright 2014 The Oppia Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Tests for methods in the widget registry."""

__author__ = 'Sean Lip'

from core.domain import widget_registry
import test_utils


class WidgetRegistryTests(test_utils.GenericTestBase):
    """Tests for the widget registry."""

    def test_deduplication_of_dependency_ids(self):
        self.assertItemsEqual(
            widget_registry.Registry.get_deduplicated_dependency_ids(
                ['CodeRepl']),
            ['jsrepl', 'codemirror'])

        self.assertItemsEqual(
            widget_registry.Registry.get_deduplicated_dependency_ids(
                ['CodeRepl', 'CodeRepl', 'CodeRepl']),
            ['jsrepl', 'codemirror'])

        self.assertItemsEqual(
            widget_registry.Registry.get_deduplicated_dependency_ids(
                ['CodeRepl', 'LogicProof']),
            ['jsrepl', 'codemirror', 'logic_proof'])
